/**
* Merges the data on liveness, virtual properties, sorting from the two
* source lists to the dest list.
*/
private static ResourceList MergeListData(ResourceList dest, ResourceList source1, ResourceList source2)
{
dest.AttachPropertyProviders(source1._propertyProviders);
dest.AttachPropertyProviders(source2._propertyProviders);
if (IsSameSort(source1, source2) || source2._lastComparer == null)
{
dest._lastComparer = source1._lastComparer;
}
else if (source1._lastComparer == null)
{
dest._lastComparer = source2._lastComparer;
}
return(dest);
}
public IResourceList Minus(IResourceList other)
{
if (other == null)
{
return(this);
}
ResourceList otherList = (ResourceList)other;
MinusPredicate pred = new MinusPredicate(
_predicate, otherList._predicate);
ResourceList result = new ResourceList(pred, _isLive || otherList.IsLive);
result.AttachPropertyProviders(_propertyProviders);
result.AttachPropertyProviders(otherList._propertyProviders);
if (_lastComparer != null)
{
result._lastComparer = _lastComparer;
}
return(result);
}
/**
* Merges the data on liveness, virtual properties, sorting from the source list
* into the destination list.
*/
private static ResourceList MergeListData(ResourceList dest, ResourceList source)
{
if (source.IsLive)
{
dest._isLive = true;
}
dest.AttachPropertyProviders(source._propertyProviders);
if (dest.LastComparer == null && source.LastComparer != null)
{
dest._lastComparer = source._lastComparer;
}
return(dest);
}